027  
CDUS41 KPHI 200552  
CLIABE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
152 AM EDT MON OCT 20 2025  
   
...............................
 
 
   
..THE ALLENTOWN PA CLIMATE SUMMARY FOR OCTOBER 19 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1922 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 75 2:28 PM 84 2016 64 11 72  
MINIMUM 44 4:33 AM 24 1974 43 1 34  
AVERAGE 60 54 6 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.67 1996 0.13 -0.13 0.00  
MONTH TO DATE 0.67 2.73 -2.06 0.01  
SINCE SEP 1 3.33 7.57 -4.24 1.31  
SINCE JAN 1 31.63 38.85 -7.22 35.93  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.2 1972 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 12 -7 12  
MONTH TO DATE 137 167 -30 163  
SINCE SEP 1 151 236 -85 202  
SINCE JUL 1 163 240 -77 211  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 11 -6 0  
SINCE SEP 1 105 119 -14 55  
SINCE JAN 1 924 979 -55 991    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 70  
   
......................................................
 
 
THE ALLENTOWN PA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 78 1936  
MINIMUM TEMPERATURE (F) 42 24 1972  
 
SUNRISE AND SUNSET  
OCTOBER 20 2025.......SUNRISE 7:19 AM EDT SUNSET 6:14 PM EDT  
OCTOBER 21 2025.......SUNRISE 7:20 AM EDT SUNSET 6:12 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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